AP Chemistry Practice Quiz: Solids, Liquids, and Gases
Written by AP Content Team, Verified for 2026 AP Exams, Last updated: May 2026
Test your understanding with short quizzes. This quiz has 11 questions to check your progress.
Question 1 of 11
All Questions (11)
A) They are in fixed positions and only vibrate.
B) They are in close contact but can move past one another.
C) They are far apart and in constant, random motion.
D) They are arranged in a regular, repeating three-dimensional structure.
Correct Answer: C
According to the provided content, gas particles are in constant, random motion, with average spacing that is large compared to the size of the particles. Options A and D describe solids, and option B describes a liquid.
A) particles that are in constant, random motion.
B) a regular, repeating three-dimensional structure.
C) constituent particles that are in close contact.
D) a definite volume but no definite shape.
Correct Answer: B
The content states that crystalline solids have a 'regular 3D structure,' while amorphous solids have 'no regular arrangement.' Both types of solids have particles in close contact that vibrate, so C is not a distinguishing feature. A and D describe gases and liquids, respectively.
A) The liquid phase has a significantly larger molar volume because particles are farther apart.
B) The solid phase has a significantly larger molar volume due to its rigid structure.
C) The solid and liquid phases typically have similar molar volumes.
D) The molar volumes are only similar at very high pressures.
Correct Answer: C
The provided content explicitly states that 'Solids and liquids typically have similar molar volumes because their constituent particles are in close contact.' This makes the other options incorrect.
A) vibration in a fixed position.
B) continuous sliding past other particles.
C) constant, random, and long-range.
D) colliding and changing direction frequently.
Correct Answer: A
The content specifies that in both crystalline and amorphous solids, 'particle motion is limited to vibration.' The other options describe motion in liquids (B, D) and gases (C, D).
A) Container volume only
B) Intermolecular force strength and temperature
C) The presence of a crystalline structure
D) Pressure and container shape only
Correct Answer: B
The content states that for liquids, the 'Arrangement and movement are influenced by IMF strength and temperature.' Container volume, pressure, and shape are primary factors for gases, and a crystalline structure is characteristic of solids.
A) Crystalline solid
B) Amorphous solid
C) Liquid
D) Gas
Correct Answer: C
The description 'in close contact, continuously moving and colliding' directly matches the provided content for the liquid phase. Solids have limited vibrational motion, and gas particles are not in close contact.
A) are held in a fixed lattice by strong IMFs.
B) are limited to vibrational motion.
C) are in close contact and slide past each other.
D) are in constant, random motion and have large average spacing.
Correct Answer: D
The content explains that gases have no definite volume or shape because their particles are in 'constant, random motion' and the 'average spacing' between them is large, allowing them to fill any container.
A) Temperature, pressure, and volume
B) Collision frequency and container shape
C) Intermolecular forces and particle packing
D) Random motion and particle spacing
Correct Answer: C
The provided text states that for both types of solids, their 'structure is influenced by IMFs and packing.' The factors in option A are most relevant to gases, while B and D are also characteristics of gases and liquids, not the primary structural determinants for solids.
A) Because gas particles are locked into a rigid, crystalline structure.
B) Because gas particles are in close contact and their movement is limited by IMFs.
C) Because these variables alter the speed and average spacing of the constantly moving particles.
D) Because solids and liquids have similar molar volumes, making gases unique.
Correct Answer: C
The content states that for gases, 'average spacing and collision frequency [are] dependent on T, P, and V.' Changing these variables affects how fast the particles move (temperature) and how much space they occupy (pressure and volume), which in turn determines how often they collide. A and B describe solids and liquids. D is a true statement from the text but does not explain the phenomenon in the question.
A) moving much farther apart to fill the container.
B) ceasing all motion and forming a regular structure.
C) gaining enough energy to move and collide while remaining in close contact.
D) losing energy and becoming limited to only vibrational motion.
Correct Answer: C
This question requires synthesizing the descriptions of solids and liquids. Solids have particles with vibrational motion. Liquids have particles that are still in close contact but are 'continuously moving and colliding.' Therefore, the transition involves gaining energy to overcome the rigid structure and begin moving more freely while staying close together. Option A describes vaporization (liquid to gas), while B and D describe the reverse process (freezing).
A) Particles are arranged in a regular 3D structure.
B) Particles are in constant, random motion with large spacing.
C) Particles are in close contact with one another.
D) The substance has no definite shape or volume.
Correct Answer: C
The content states that in solids, particles have limited motion but are packed, and in liquids, 'particles are in close contact.' This is a shared feature. Option A is only for crystalline solids, B is for gases, and D is for gases.